if 1+2=5 , 2+3=13 , 4+5=41 , 7+8=?
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7 + 8 = 113.
Hope it helps
Hope it helps
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1+2 = 5
(1×2)×2+1 = 5
2+3 = 13
(2×3)×2+1 = 13
4+5 = 41
(4×5)×2+1 = 41
7+8 = ?
(7×8)×2+1 = 113
(1×2)×2+1 = 5
2+3 = 13
(2×3)×2+1 = 13
4+5 = 41
(4×5)×2+1 = 41
7+8 = ?
(7×8)×2+1 = 113
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